KD IVZ en - Nuova Elva · 2008. 2. 7. · KD_IVZ_en.qxd 06.07.2006 15:13 Uhr Seite 356. Contents Capacitive proximity sensors General page 358 Operating principle page 360 Selection

356 SENSICK CATALOGUE 0 5 - 0 8 - 2 0 0 6

Capacitiv

Capacitive Sensors

Capacitive proximity sensors


High level of temperaturestabilityEnhanced sensing rangesfor functional reserve

High level of immunity against:– Electrostatic discharge,

e.g. in plastic or wood production– Electromagnetic interference, e.g. caused

by radio transceivers and mobile telephones– Interference surge voltage caused by switching

devices or solenoid valves– Conducted high frequency, e.g. frequency

converters or switched-mode power supplies

KD_IVZ_en.qxd 06.07.2006 15:13 Uhr Seite 356

Contents


General page 358

Operating principle page 360

Selection table page 361

Type code page 361

CM series

CM 18 page 362

CM 30 page 366

CQ series

CQ 28 page 370

CQ 35 page 372

3570 5 - 0 8 - 2 0 0 6 SENSICK CATALOGUE

citive proximity sensors �

KD_IVZ_en.qxd 06.07.2006 15:13 Uhr Seite 357

Presence, filling, checking, testing.In every branch of industry.

Level and feed monitoring – that is one of attributes ofcapacitive sensors, irrespective of whether it involves a solidmaterial such as paper or wood, granules or liquids. Theyreliably detect the status of the product in the productionprocess and during final inspection.

Presence is enough.

Metallic or non-metallic, solid or liquid, compacted or powder-like.Not all materials sensed by a capacitive sensor react in the sameway. Nevertheless, they are detected equally well by a sensor, irre-spective of their properties. Their mere presence in the electro-sta-tic field of the sensor detects any material, which is non-gaseous.Water-based materials are particularly easy to detect.

Close at hand, but no disruption to work activity.

Capacitive sensors supplied by SICK are always convenient to use. Sensingranges between 8 and 25 mm allow clearance in almost any installation situationand they are extremely adaptable for a wide range of applications.

As a result, these sensors remain unaffected by interference and malfunctions.Impurities and contamination, dust and airborne spray particles have little effectupon them as does electro-magnetic interference. No wonder that they areinstalled in the most diverse branches of industry. In the food industry, car indus-try or in storage and conveying technology.

Capacitive Sensors

359SENSICK CATALOGUE358 SENSICK CATALOGUE

Reliable for use in all branches of industry.

Three housing designs.Four types.

18 or 30 mm cylindrical threaded housing, or a rectan-gular housing having an active sensing surface equippedwith a 35 mm sensing face. The size of the sensing sur-face determines the choice of which sensor should beused. The larger it is, the greater the sensing distance,starting 3 to 8 mm for the CM 18 and ranges to 25 mmfor the CM 30 and the CQ 35.

They are all robust and resistant to aggressivechemicals.

The capacitive sensors supplied by SICK are suitable for extremely adverseindustrial environments. Protection to IP 67 is Standard, and in aggressiveenvironments, the CM 18 PTFE operates particularly well. Due to its PTFEhousing it resists virtually all chemicals, acids, alkalis and solvents, and isparticularly hygienic – an advantage not only for food processing, but also,for the petro-chemical industry and in the semi-conductor industry for wafermanufacture.

Electro-magnetic interference? No problem!

Even exercising the greatest of care, electro-magnetic interference in manufacturing and storage systems cannever be totally eliminated. Solenoid valves, relays andswitches or frequency converters in close proximity, orelectro-static discharges from the contents in a containeror silo have very little effect upon SICK capacitive sensors.

360 SENSICK CATALOGUE 0 5 - 0 8 - 2 0 0 6360


O p e r a t i n gp r i n c i p l e

As with the inductive proximity sensors, the reduction factor depends on thematerial. It describes the factor by which the sensing range s is reduced by acertain material, with reference to the nominal sensing range sn, which resultsfrom the use of an earthed ST37 metal plate as sensing flag.

The most important reduction factors for capacitive proximity sensors are:

The reduction factor heavily depends on the moisture content of the material.

Iron, earthed 1.0Water 1.0Wheat 0.3 ... 0.6Wood 0.2 ... 0.9Glass 0.3 ... 0.7

Oil 0.2PVC 0.4PE 0.37Ceramic material 0.3

Sensing flag

Active surface

RC oscillation circuit

Signal analyser Switch amplifier

The active element in a capacitive proximity sensor consists of a sensor elect-rode and shielding. Together, these two electrodes form the capacitor.

On the approach of a sensing flag (metallic or non-metallic object), a changein capacity takes place in the electrical field of this capacitor, i.e. the capacitorof the RC oscillation circuit is arranged in such a way that its capacity increas-es when an object approaches. The oscillator is set in such a way that it onlybecomes capable of oscillation through this increase in capacity. The start inoscillation when an object approaches is detected by the signal analyser andoutput via the signal amplifier.

damped

undamped

I

U

sn

Sensing flag

Reduction factor R

KD01_Kapazitive_en.qxd 06.07.2006 16:12 Uhr Seite 360

3610 5 - 0 8 - 2 0 0 6 SENSICK CATALOGUE 361


The same installation notes apply as for the inductive proximity sensors (see p. 210).

Type code

Test

Electrostatic Discharge ESD

HF radiated

HF wire conducted

Burst

Surge

EN 61000-4-2(IEC 1000-4-2)

EN 61000-4-3(IEC 1000-4-3)

EN 61000-4-6(IEC 1000-4-6)

EN 61000-4-4(IEC 1000-4-4)

IEC 255-5

4 kV cd 1)/8 kV ad 2)

3 V/m80 ... 1000 MHz

–

1 kV

1 kV, 500 Ohm

17 kV cd 1)/ad 2)

> 15 V/m80 ... 1000 MHz

> 10 V/m

4 kV

2.5 kV, 500 Ohm

Standard Product StandardEN 60497-5-2

General interference immunity Generic Standard EN 50082-2

4 kV cd 1)/8 kV ad 2)

10 V80 ... 1000 MHz

10 V0.15 ... 80 MHz

2 kV

–

SICK Capacitive Sensors

1) cd = Contact discharge2) ad = Air discharge

Sensor technology

Capacitive

Design

Cylinder with thread

Cuboid

Housing shape

Metric external thread 18

Metric external thread 30

Edge length of sensing face 35

Sensing range/installation

Flush

Non flush

8 mm, flush

25 mm, non flush

18 08B N P K– –

Other codes

–

Cables and connectors

Cable, PVC

Connector M12 x 1

Housing material

Plastic

PTFE (Teflon®)

Output

Complementary

Interface

PNP, 4-wire, 10 ... 40 V DC

NPN, 4-wire, 10 ... 40 V DC

2-wire, 20 ... 265 V AC

K

T

P

P

N

C

CM

M

Q

18

30

35

B

N

08B

25N

W 0

W

C

0

A

35x55x15, Plastic 16 25 DC 372

Cuboid

M30, Plastic 16 25 DC 366

M18, PTFE 8 DC 364

M18, Plastic 8 12 DC 362

Selection table

M30, Plastic 16 25 AC 368

with threat

Housing Sensing range Sn in mm

Design, size in mm, material Flush Non-flush P 1) Com. 2) C 3) Co. 4)

Switchingoutput

Output functi-on

Connection Electr.config.

Frompage

1) P = PNP2) Com. = Comple-

mentary

3) C = Cable4) Co. = Connector

CQ 35

CM 30

CM 30

CM 18

CM 18

KD01_Kapazitive_en.qxd 03.08.2006 14:26 Uhr Seite 361

SENSICK CATALOGUE 0 5 - 0 8 - 2 0 0 6362

Capacitive sensor, CM18, DC 4-wire, Plastic

Sensing range8 / 12 mm

Capacitive sensor

High EMC immunity

Short-circuit protection (pulsed)

Complementary output function

Enclosure rating IP 67

LED status indicator

Dimensional drawing

M1

8x1

8

79.5

46.5

15.5

1

2 3

4

M1

8x1

8

91.5

46.5

1

2 3

4

M1

8x1

71.5

46.5

15.5

1

2 3

4

M1

8x1

83.5

46.5

1

2 3

4

1 Connection2 Display LED3 Potentiometer4 Fastening nuts (2 x); width across 24, Plastic

Connection typeCM18-08BNP-KC1

CM18-08BPP-KC1

CM18-12NNP-KC1

CM18-12NPP-KC1

M12, 4-pin

brn

blk

wht

blu

+ V DC

NO

NC

– V DC

1

4

2

3

CM18-08BNP-KW1

CM18-08BPP-KW1

CM18-12NNP-KW1

CM18-12NPP-KW1

4 x 0.34 mm²

brn

blk

wht

blu

+ V DC

NO

NC

– V DC

1

4

2

3

See chapter Accessories Connector, M12, 4-pin

Mounting systems

KD01_CM18_en.fm Seite 362 Donnerstag, 6. Juli 2006 4:38 16


CM18

Technical specifications CM18- 08BNP-KC1

08BNP-KW1

08BPP-KC1

08BPP-KW1

12NNP-KC1

12NNP-KW1

12NPP-KC1

12NPP-KW1

Sensing range Sn 8 mm

12 mm

Electrical configuration DC 4-wire

Supply voltage Vs DC 10 ... 40 V

Ripple Upp ≤ 10 %1)

Voltage drop Ud ≤ 2.5 V2)

Power consumption ≤ 10 mA3)

Continuous current Ia ≤ 200 mA

Time delay before availability tv ≤ 100 ms

Hysteresis H, of sr 4 ... 20 %

Repeatability R ≤ 5 % (Ub and Ta constant)4)

Temperature drift, of sr ± 10 %

EMC According to EN 60947-5-2

Switching output NPN

PNP

Output function Complementary

Installation Flush

Non-flush

Connection type Connector, M12, 4-pin

Cable, PVC, 2 m

Enclosure rating IP 675)

Max. switching frequency 30 Hz

Dimensions M18 x 16)

Short-circuit protection 7)

Reverse polarity protection

Power-up pulse suppression

Shock/vibration stress 30 g, 11 ms/10 ... 55 Hz, 1 mm

Ambient temperature operation -25 °C ... +80 °CHousing material Plastic

Tightening torque 2.6 Nm1) of Ub2) at Ia max

3) without load4) of sr

5) according to EN 605296) Thread diameter x pitch (mm)

7) (pulsed)

Order informationType Order no.CM18-08BNP-KC1 6 021 456

CM18-08BNP-KW1 6 021 455

CM18-08BPP-KC1 6 020 388

CM18-08BPP-KW1 6 020 136

CM18-12NNP-KC1 6 021 458

CM18-12NNP-KW1 6 021 457

CM18-12NPP-KC1 6 020 410

CM18-12NPP-KW1 6 020 389



Capacitive sensor, CM18, DC 4-wire, PTFE/teflon

Sensing range8 mm

Capacitive sensor

PTFE housing with M18 x 1 mm

High EMC immunity





Dimensional drawing

M1

8x1

71.5

46.5

15.5

1

2 3

4

1 Connection2 Display LED3 Potentiometer4 Fastening nuts (2 x); width across 24, PTFE

Connection typeCM18-08BNP-TW0

CM18-08BPP-TW0

4 x 0.34 mm²

brn

blk

wht

blu

+ V DC

NO

NC

– V DC

1

4

2

3

See chapter Accessories Mounting systems



CM18

Technical specifications CM18- 08BNP-TW0

08BPP-TW0














PNP


Installation Flush

Connection type Cable, PVC, 2 m



Dimensions M18 x 16)





Ambient temperature operation -25 °C ... +60 °CHousing material PTFE/teflon




7) (pulsed)

Order informationType Order no.CM18-08BNP-TW0 6 026 194

CM18-08BPP-TW0 6 026 195



Capacitive sensor, CM30, DC 4-wire, Plastic


Capacitive sensor

High EMC immunity





Dimensional drawing

M3

0x1

.5

75.615.4

50 12

1

2 3

4

M3

0x1

.5

63.615.4

50

1

2 3

4

M3

0x1

.5

91

50 12

1

23

4

M3

0x1

.5

79

50

1

23

4

1 Connection2 Potentiometer3 Display LED4 Fastening nuts (2 x); width across 36, Plastic

Connection typeCM30-16BNP-KC1

CM30-16BPP-KC1

CM30-25NNP-KC1

CM30-25NPP-KC1

M12, 4-pin

brn

blk

wht

blu

+ V DC

NO

NC

– V DC

1

4

2

3

CM30-16BNP-KW1

CM30-16BPP-KW1

CM30-25NNP-KW1

CM30-25NPP-KW1

4 x 0.34 mm²

brn

blk

wht

blu

+ V DC

NO

NC

– V DC

1

4

2

3


Mounting systems



CM30

Technical specifications CM30- 16BNP-KC1

16BNP-KW1

16BPP-KC1

16BPP-KW1

25NNP-KC1

25NNP-KW1

25NPP-KC1

25NPP-KW1


25 mm













PNP


Installation Flush

Non-flush


Cable, PVC, 2 m



Dimensions M30 x 1.56)









7) (pulsed)

Order informationType Order no.CM30-16BNP-KC1 6 021 460

CM30-16BNP-KW1 6 021 459

CM30-16BPP-KC1 6 020 475

CM30-16BPP-KW1 6 020 473

CM30-25NNP-KC1 6 021 462

CM30-25NNP-KW1 6 021 461

CM30-25NPP-KC1 6 020 477

CM30-25NPP-KW1 6 020 476



Capacitive sensor, CM30, AC 2-wire, Plastic


Capacitive sensor

AC 2-wire, 250 V

High EMC immunity

Configurable output function



Dimensional drawing

M3

0x1

.5

75.615.4

50 12

1

2 3

4

M3

0x1

.5

63.615.4

50

1

2 3

4

1 Connection2 Potentiometer3 Display LED4 Fastening nuts (2 x); width across 36, Plastic

Connection typeCM30-25NAP-KW1

CM30-16BAP-KW1

2 x 0.5 mm²

brn

blu

V AC

V AC

1

2

See chapter Accessories Mounting systems



CM30

Technical specifications CM30- 25NAP-KW1

16BAP-KW1


16 mm

Electrical configuration AC 2-wire

Supply voltage Vs AC 20 ... 250 V


Voltage drop Ud ≤ 10 V2)








Output function Configurable

Installation Non-flush

Flush




Dimensions M30 x 1.56)








Order informationType Order no.CM30-25NAP-KW1 6 028 413

CM30-16BAP-KW1 6 028 411



Capacitive sensor, CQ28, DC 4-wire, Plastic, PBT

Sensing range10 mm

Capacitive sensor

Thin profile:

28 x 46 x 5.5 mm (w x h x d)

Adjustable sensing range

1 ... 10 mm, non-flush

Short circuit and

reverse polarity protection

Teach-in via button or COM-input

Dimensional drawing

27.6

46

1

3

4

2

4.2

5.5

1 Indicator LED green2 Indicator LED yellow3 Teach button4 Sensing area

Connection typeCQ28-10NNP-KW1

CQ28-10NPP-KW1

4 x 0.14 mm²

brn

wht

blk

blu

+ V DC1

2

4

3

Teach

Q

– V DC

KD01_CQ28_en.fm Seite 370 Donnerstag, 6. Juli 2006 4:51 16


CQ28

Technical specifications CQ28- 10NNP-KW1

10NPP-KW1




Ripple Upp ≤ 10 %




Time delay before availability tv 300 ms

Hysteresis H, of sr Depending on teach adjustment





PNP

Output function Programmable





Dimensions 28 x 46 x 5.5 mm5)

Short-circuit protection



Ambient temperature operation -20 °C ... +85 °CAmbient temperature storage -40 °C ... +85 °CHousing material Plastic, PBT1) at Ia max 2) without load 3) of sr

4) according to EN 605295) Width x height x depth

Order informationType Order no.CQ28-10NNP-KW1 6 030 133

CQ28-10NPP-KW1 6 030 132



Capacitive sensor, CQ35, DC 4-wire, Plastic

Sensing range25 mm

Capacitive sensor

High EMC immunity





Dimensional drawing

18 2.5

35

15

57.5

55

1

2

3

3

8 x 4.5

24

.5

2

128 x 4.5

2.5

69.5

55

15

35

M1

2x1

M1

2x1

24

.5

1

2

3

3

2

1 Display LED2 Potentiometer3 Connection

Connection typeCQ35-25NNP-KC1

CQ35-25NPP-KC1

M12, 4-pin

brn

blk

wht

blu

+ V DC

NO

NC

– V DC

1

4

2

3

CQ35-25NNP-KW1

CQ35-25NPP-KW1

4 x 0.34 mm²

brn

blk

wht

blu

+ V DC

NO

NC

– V DC

1

4

2

3




CQ35

Technical specifications CQ35- 25NNP-KC1

25NNP-KW1

25NPP-KC1

25NPP-KW1














PNP




Cable, PVC, 2 m



Dimensions 35 x 15 x 69.5 mm6)

35 x 15 x 57.5 mm6)





Ambient temperature operation -25 °C ... +75 °CHousing material Plastic1) of Ub2) at Ia max


5) according to EN 605296) Width x height x depth

7) (pulsed)

Order informationType Order no.CQ35-25NNP-KC1 6 021 464

CQ35-25NNP-KW1 6 021 463

CQ35-25NPP-KC1 6 020 479

CQ35-25NPP-KW1 6 020 478


Documents

KD IVZ en - Nuova Elva · 2008. 2. 7. · KD_IVZ_en.qxd 06.07.2006 15:13 Uhr Seite 356. Contents Capacitive proximity sensors General page 358 Operating principle page 360 Selection